body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
}

h2 {
    color: #444;
    margin-top: 0;
    margin-bottom: 20px;
}

.section {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

input[type="text"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #fff;
}

button {
    background-color: #00a1d6;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

button:hover {
    background-color: #0091c2;
}

.video-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.video-detail img {
    max-width: 200px;
    margin-right: 20px;
    border-radius: 4px;
}

.video-detail h3 {
    margin: 0;
    color: #333;
}

.progress {
    background-color: #eee;
    border-radius: 4px;
    height: 20px;
    overflow: hidden;
}

#progress-inner {
    background-color: #00a1d6;
    height: 100%;
    width: 0;
    transition: width 0.3s ease;
}

#download-link {
    text-align: center;
}

#download-link a {
    color: #00a1d6;
    text-decoration: none;
}

#download-link a:hover {
    text-decoration: underline;
} 